Numéro
J. Phys. Colloques
Volume 42, Numéro C6, Décembre 1981
International Conference on Phonon Physics
Page(s) C6-516 - C6-518
DOI https://doi.org/10.1051/jphyscol:19816150
International Conference on Phonon Physics

J. Phys. Colloques 42 (1981) C6-516-C6-518

DOI: 10.1051/jphyscol:19816150

RENORMALIZED RESPONSE THEORY WITH APPLICATIONS TO PHONON ANOMALIES

C. Falter, W. Ludwig et M. Selmke

Institut für Theoretische Physik II der Universität Muenster, Domagkstr. 75, D-4400 Muenster, F.R.G.


Abstract
A recently developed renormalization method for the electron response problem in effective ion-interactions is applied to phonon anomalies. A microscopic mechanism for the anomalies is proposed and its relation to the electron-phonon-coupling parameter λ and thus to Tc is discussed.